From Middle English lopster (“lobster”), from Old English loppestre (“lobster, spider-like creature”), believed to be a corruption of Latin locusta (“lobster, locust”) + the Old English feminine agent suffix -estre; or from Old English lobbe, loppe (“spider”) + the Old English feminine agent suffix -estre, equivalent to lop + -ster. More at lop.
- A crustacean of the Nephropidae family, normally red in colour, with claws, which is used as a seafood.
- (historical) A soldier or officer of the imperial British Army (due to their red or scarlet uniform).
- (slang) An Australian twenty dollar note, due to its reddish-orange colour.
- To fish for lobsters.